Make Dressing: In small bowl, mix lemon juice, broth and oil till blended.,Season to taste with salt and freshly grnd pepper.,Place watercress around outside edge of serving platter.,______,In small bowl, toss shredded apples with lemon juice, then spoon into center of platter.,Scatter nuts over apples.,Pour dressing over salad and serve.,This recipe yields 6 servings.,Description: "By combining watercress, apples and walnuts, this salad provides a great contrast in color, flavor and texture."